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Groups > comp.lang.javascript > #9558

Re: iPad2 Scroll Bars ??

From Arno Welzel <usenet@arnowelzel.de>
Newsgroups comp.lang.javascript
Subject Re: iPad2 Scroll Bars ??
Date 2011-12-23 14:56 +0100
Organization A noiseless patient Spider
Message-ID <4EF48872.6010509@arnowelzel.de> (permalink)
References <9lhalvFvm9U1@mid.individual.net> <Xns9FC3CECB6351Eeejj99@194.109.133.133> <9lhg7jFc1uU1@mid.individual.net> <Xns9FC3D98C16D8Eeejj99@194.109.133.133> <9lhnabF3lpU1@mid.individual.net>

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Mel Smith, 2011-12-22 22:55:

> Evertjan said:
> 
[...]
>> Quite, that is also an argument not to use scrolling lists of such
>> length, there are better ways to show a selection.
>>
> 
>         *of such length* ?!?

If you assume 60 lines per page on a printout this would be 10(!) pages
or information.

You don't call this a long list?

>     You may (or may not) be interested in taking a look at the first page of 
> my www.frostdelay.com site. THe table on the 1st page has in excess of 
> *5000* lines and approx 5 columns. This is what I could call 'lengthy'.

So what? Because there are more examples of bad presentation of
information this makes your over 600 line long list better?

>     The current table I'm working on has 613 rows - a pipsqueak by 
> comparison.  Both of these tables are managed from my CGI server (which is a 
> C-based executable with a complete and extensive database backend  (see 
> www.whosaway.com)  )
> 
>     Anyway, thanks for the response.  My users are very happy with my tables 
> (thanks to the help from Denis McMahon).

If your users are happy with those tables anyway - what's your problem?

But *if* you want to find a better way to present 613 lines of
information you *should* consider better ways than just putting 613
lines into a single block.

For example: You could use JavaScript to calculate how much lines fit in
the viewport (without the space for the navigation, header etc.) and
create a pagewise navigation. The navigation sould be kept visible in
the viewport and it would be very helpful to have more than just numbers
- maybe the first letter of the primary sort field.

This way a user could get to *any* point of the data with *one* click
(or tap) and without moving a scrollbar around or swiping on the display.

If you extend this by event handlers to handle the up/down keys to allow
navigating using the keyboard, it would be even more comfortable.




-- 
Arno Welzel
http://arnowelzel.de
http://de-rec-fahrrad.de

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Thread

iPad2 Scroll Bars ?? "Mel Smith" <med_cutout_syntel@aol.com> - 2011-12-22 11:19 -0700
  Re: iPad2 Scroll Bars ?? "Evertjan." <exjxw.hannivoort@interxnl.net> - 2011-12-22 19:19 +0000
    Re: iPad2 Scroll Bars ?? "Mel Smith" <med_cutout_syntel@aol.com> - 2011-12-22 12:54 -0700
      Re: iPad2 Scroll Bars ?? "Evertjan." <exjxw.hannivoort@interxnl.net> - 2011-12-22 20:23 +0000
        Re: iPad2 Scroll Bars ?? "Mel Smith" <med_cutout_syntel@aol.com> - 2011-12-22 14:55 -0700
          Re: iPad2 Scroll Bars ?? "Evertjan." <exjxw.hannivoort@interxnl.net> - 2011-12-22 22:32 +0000
          Re: iPad2 Scroll Bars ?? Andrew Poulos <ap_prog@hotmail.com> - 2011-12-23 09:43 +1100
          Re: iPad2 Scroll Bars ?? Arno Welzel <usenet@arnowelzel.de> - 2011-12-23 14:56 +0100
            Re: iPad2 Scroll Bars ?? "Mel Smith" <med_cutout_syntel@aol.com> - 2011-12-23 08:54 -0700
  Re: iPad2 Scroll Bars ?? Dr J R Stockton <reply1151@merlyn.demon.co.uk> - 2011-12-23 20:18 +0000
    Re: iPad2 Scroll Bars ?? Andrew Poulos <ap_prog@hotmail.com> - 2011-12-24 11:56 +1100
    Re: iPad2 Scroll Bars ?? "Evertjan." <exjxw.hannivoort@interxnl.net> - 2011-12-24 09:01 +0000
      Re: iPad2 Scroll Bars ?? "Mel Smith" <med_cutout_syntel@aol.com> - 2011-12-24 11:56 -0700

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